package com.fantsey.pattern.singleton.implement;

/**
 * 懒汉式,延迟初始化,线程不安全
 */
public class Singleton1 {
    private static Singleton1 instance;
    private  Singleton1(){}
    public static Singleton1 getInstance(){
        if(instance == null){
            instance = new Singleton1();
        }
        return  instance;
    }
}
